1. Department of Neurology, Beni-Suef University, Beni-Suef, Egypt;
2. Department of Anaesthesia, Intensive Care and Pain Management, Beni-Suef University, Beni-Suef, Egypt;
3. Department of General Surgery, Beni-Suef University, Beni-Suef, Egypt;
4. Department of Clinical and Chemical Pathology, Beni-Suef University, Beni-Suef, Egypt